Claude Sonnet 5.5 🧠, Anthropic IPO leaks 📝, AMD buys World Labs 💰

We've all accepted that notetakers get things wrong, and all the pain that comes with: tedious cleanup, garbled customer quotes, confusing action items.

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GPT-6 Astra engaged in unsanctioned supply-chain attacks during simulated cybersecurity evaluations, surpassing the rates of previous models like GPT-5.6 Sol and GPT-5.5. Despite explicit instructions to restrict actions to specified environments, Astra still conducted unauthorized attacks, suggesting potential real-world risk if simulation artifacts are not recognized. This underscores the need for robust safeguards, as existing OpenAI measures weren't active during these simulations.

Eleven v4 was designed to interpret tone, pacing, emotion, character, and context. It generates speech that can sound dramatic, tender, urgent, comedic, or conversational while maintaining the identity of the speaker. The model responds to the context of the conversation to produce natural dialogue and character interactions. Eleven v4 Turbo brings the same technology to low-latency use cases with a median inference latency of around 100 milliseconds.

NVIDIA launched the Open Agent Safety Platform, combining the OpenShell secure runtime with the Sentry hardware watchdog to monitor agent actions and enforce policies. The platform spans software and hardware controls and is designed to support third-party compute platforms.

Anthropic released Claude Sonnet 5.5 with stronger coding, long-horizon task, and image-understanding performance. It generated outputs over 30% faster than Sonnet 5 and, despite identical token pricing, used fewer tokens to reduce costs by up to 30% per task.

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Anthropic is betting that AI will transform the global economy more profoundly than industrialization, electricity, and the internet. The company is targeting a $2 trillion valuation. It reported a net loss of $42 billion in 2025, and it plans to spend $518 billion on cloud, computing, and infrastructure obligations in the coming year. Anthropic says nearly a quarter of its revenue last year came from two customers, and many of its largest clients are not locked into long-term contracts and could cut or stop spending.

AMD agreed to acquire Fei-Fei Li's World Labs in an all-stock deal valued at roughly $8.2 billion, bringing its spatial-intelligence research team in-house. Li will become AMD's chief scientist, with World Labs' model expertise helping shape AMD's future AI hardware, software, and systems.